1 I don't like to get sick. It is not fun. Sometimes when I am sick I get a fever. My head feels hot but I still have the chills. No matter how hard I try, I can't get my shivers to go away. What is a fever? A fever is not an illness. It is a symptom. A fever tells you that your body is fighting off an infection or a virus. When you are sick, a fever can be very helpful. It helps your white blood cells. These cells are a lot like soldiers. They are sent to the sick parts of your body ready for battle. Their job is to fight off any infection you may have. Your white blood cells work best in warm environments. By keeping your body warm, your fever helps to keep these cells healthy and strong. A fever also helps your body by weakening the bacteria or virus that is making you .....For the complete story with questions: click here for printable